package com.heima.wemedia.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.common.exception.CustomException;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.pojos.ApUser;
import com.heima.model.wemedia.dtos.WmLoginDto;
import com.heima.model.wemedia.pojos.WmUser;
import com.heima.utils.common.AppJwtUtil;
import com.heima.wemedia.mapper.WmUserMapper;
import com.heima.wemedia.service.WmUserService;
import com.sun.org.apache.bcel.internal.generic.NEW;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

@Service
@Transactional
@Slf4j
public class WmUserServiceImpl extends ServiceImpl<WmUserMapper, WmUser> implements WmUserService {

    /**
     * 登录
     * @param dto
     * @return
     */
    @Override
    public ResponseResult login(WmLoginDto dto) {
        //1.检查参数
        if(StringUtils.isBlank(dto.getName()) || StringUtils.isBlank(dto.getPassword())){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"用户名或密码为空");
        }

        //2.查询用户
        WmUser wmUser = getOne(Wrappers.<WmUser>lambdaQuery().eq(WmUser::getName, dto.getName()));
        if(wmUser == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST);
        }

        //3.比对密码
        String salt = wmUser.getSalt();
        String pswd = dto.getPassword();
        pswd = DigestUtils.md5DigestAsHex((pswd + salt).getBytes());
        if(pswd.equals(wmUser.getPassword())){
            //4.返回数据  jwt
            Map<String,Object> map  = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(wmUser.getId().longValue()));
            wmUser.setSalt("");
            wmUser.setPassword("");
            map.put("user",wmUser);
            //登录成功，修改数据库最后一次登录时间
            update(Wrappers.<WmUser>lambdaUpdate().eq(WmUser::getId,wmUser.getId()).set(WmUser::getCreatedTime,new Date()));
            return ResponseResult.okResult(map);

        }else {
            return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
        }
    }

    /**
     * 管理端审核通过，添加用户到自媒体用户
     *
     * @param apUser
     */
    @Override
    public void auditPass(ApUser apUser) {
        //1、参数校验
        if (apUser == null) {
            throw new CustomException(AppHttpCodeEnum.PARAM_INVALID);
        }
        //2、业务处理
        //2.1、创建wm_user对象
        WmUser wmUser = new WmUser();
        //2.2、属性拷贝
        BeanUtils.copyProperties(apUser,wmUser);
        //2.3、主键让他自增
        wmUser.setId(null);
        wmUser.setCreatedTime(new Date());
        //2.4、保存到wm_user
        save(wmUser);
    }
}